Genetics and Heredity

Which of the following is homozygous recessive?

• RR

• Rr

• rR

• rr

Which of these are examples of a genetic trait? Choose two.

• the type of music you listen to

• your eye color

• your natural hair texture

• the language you speak

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The gene whose trait will be hidden if there is a dominant allele present

• Dominant Allele

• Recessive Allele

• Trait

• Phenotype

A form of a characteristic (a feature)

• Probability

• Alleles

• Trait

• Genetics

Different forms of a gene

• Homozygous

• Heterozygous

• Alleles

• Genetics

When an organism has two DIFFERENT alleles for a trait

• Phenotype

• Genotype

• Homozygous

• Heterozygous

A chart that shows all the possible combinations of alleles that can result from a genetic cross

• Heredity

• Genetics

• Probability

• Punnet Square

Which genotypes are heterozygous?

• EE

• tt

• Rr

• Both EE and tt

Which of the following is a phenotype?

• BB

• Bb

• bb

• Blue eyes

Mutations are a change in what?

• DNA

• tRNA

• genotype

• phenotype

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2